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                         <h2 class="subject" id="Mock介绍">Mock介绍 <a class="hashlink" href="#Mock介绍">#</a></h2> <p style='text-indent:2em;line-height:1.8em'>YApi的 Mock 功能可以根据用户的输入接口信息如协议、URL、接口名、请求头、请求参数、mock 规则(<a href="#mock">点击到 Mock 规则</a>）生成 Mock 接口，这些接口会自动生成模拟数据，创建者可以自由构造需要的数据。而且与常见的 Mock 方式如将 Mock 写在代码里和JS拦截等相比 yapi 的 Mock 在使用场景和效率和复杂度上是相差甚远的，正是由于 yapi 的 Mock 是一个第三方平台，那么在团队开发时任何人都可以权限许可下创建、修改接口信息等操作，这对于团队开发是很有好处的。 </p>

<p> <strong>mock地址解析</strong>：<code>YApi平台网址 + mock + 您的项目id + 接口实际请求path</code></p>
<p> 假设你 YApi 的部署地址为：<a href="http://yapi.xxx.com">http://yapi.xxx.com</a> 然后用这个地址作为示例</p>
<pre><code>mockd 地址： http<span class="token operator">:</span>//yapi.xxx.com/mock/<span class="token number">29</span>/api/hackathon/login
</code></pre><blockquote>
<p>注：项目 id 可以在项目设置里查看到</p>
</blockquote>
<h2 class="subject" id="定义_mock_数据示例">定义 mock 数据示例 <a class="hashlink" href="#定义_mock_数据示例">#</a></h2><pre><code><span class="token punctuation">{</span>
    <span class="token property">"status|0-1"</span><span class="token operator">:</span> <span class="token number">0</span><span class="token punctuation">,</span> //接口状态
    <span class="token property">"message"</span><span class="token operator">:</span> <span class="token string">"请求完成"</span><span class="token punctuation">,</span> //消息提示
    <span class="token property">"data"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
        <span class="token property">"counts"</span><span class="token operator">:</span><span class="token string">"@integer"</span><span class="token punctuation">,</span> //统计数量
        <span class="token property">"totalSubjectType|4-10"</span><span class="token operator">:</span> <span class="token punctuation">[</span> //<span class="token number">4</span>-<span class="token number">10</span>意味着可以随机生成<span class="token number">4</span>-<span class="token number">10</span>组数据
            <span class="token punctuation">{</span> 
              <span class="token property">"subjectName|regexp"</span><span class="token operator">:</span> <span class="token string">"大数据|机器学习|工具"</span><span class="token punctuation">,</span> //主题名
              <span class="token property">"subjectType|+1"</span><span class="token operator">:</span> <span class="token number">1</span> //类型
            <span class="token punctuation">}</span>
        <span class="token punctuation">]</span><span class="token punctuation">,</span>
        <span class="token property">"data"</span><span class="token operator">:</span><span class="token punctuation">[</span>
            <span class="token punctuation">{</span>
                <span class="token property">"name"</span><span class="token operator">:</span> <span class="token string">"@name"</span><span class="token punctuation">,</span> //用户名
                <span class="token property">"email"</span><span class="token operator">:</span> <span class="token string">"@email"</span><span class="token punctuation">,</span> //email
                <span class="token property">"time"</span><span class="token operator">:</span> <span class="token string">"@datetime"</span> //时间
            <span class="token punctuation">}</span>
        <span class="token punctuation">]</span><span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre><h2 class="subject" id="YApi-Mock_跟_Mockjs_区别">YApi-Mock 跟 Mockjs 区别 <a class="hashlink" href="#YApi-Mock_跟_Mockjs_区别">#</a></h2><p><a href="http://mockjs.com/examples.html">Mockjs 官网</a></p>
<p>1 因为 yapi 基于 json 定义 mock ，无法使用 mockjs 原有的函数功能，正则表达式需要基于 rule 书写，示例如下：</p>
<pre><code><span class="token punctuation">{</span>
  <span class="token property">"name|regexp"</span><span class="token operator">:</span> <span class="token string">"[a-z0-9_]+?"</span><span class="token punctuation">,</span>
  <span class="token property">"type|regexp"</span><span class="token operator">:</span> <span class="token string">"json|text|xml"</span> //枚举数据类型可这样实现
<span class="token punctuation">}</span>
</code></pre><p>2 支持替换请求的 query, body 参数</p>
<pre><code><span class="token punctuation">{</span>
  <span class="token property">"name"</span><span class="token operator">:</span> <span class="token string">"${query.name}"</span><span class="token punctuation">,</span> //请求的url是/path?name=xiaoming<span class="token punctuation">,</span> 返回的name字段是xiaoming
  <span class="token property">"type"</span><span class="token operator">:</span> <span class="token string">"${body.type}"</span>   //请求的requestBody type=<span class="token number">1</span><span class="token punctuation">,</span>返回的type字段是<span class="token number">1</span>
<span class="token punctuation">}</span>
</code></pre><h2 class="subject" id="如何使用_Mock">如何使用 Mock <a class="hashlink" href="#如何使用_Mock">#</a></h2><h3 class="subject" id="1_在_js_代码直接请求yapi提供的_mock_地址（不用担心跨域问题）">1 在 js 代码直接请求yapi提供的 mock 地址（不用担心跨域问题） <a class="hashlink" href="#1_在_js_代码直接请求yapi提供的_mock_地址（不用担心跨域问题）">#</a></h3><p>在代码直接请求 yapi 提供的 mock 地址，以 jQuery 为例：</p>
<pre><code class="lang-javascript"><span class="token keyword">let</span> prefix <span class="token operator">=</span> <span class="token string">'http://yapi.xxx.com/mock/2817'</span>
$<span class="token punctuation">.</span><span class="token function">post</span><span class="token punctuation">(</span>prefix<span class="token operator">+</span><span class="token string">'/baseapi/path'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>username<span class="token punctuation">:</span> <span class="token string">'xxx'</span><span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token keyword">function</span><span class="token punctuation">(</span>res<span class="token punctuation">)</span><span class="token punctuation">{</span>
    console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>res<span class="token punctuation">)</span> <span class="token comment">//返回上图预览部分的数据</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<h3 class="subject" id="2_基于本地服务器反向代理">2 基于本地服务器反向代理 <a class="hashlink" href="#2_基于本地服务器反向代理">#</a></h3><p>优点:不用修改项目代码</p>
<h4 class="subject" id="2.1_基于_nginx_反向代理">2.1 基于 nginx 反向代理 <a class="hashlink" href="#2.1_基于_nginx_反向代理">#</a></h4><pre><code class="lang-nginx"><span class="token keyword">location</span> <span class="token operator">/</span>baseapi
<span class="token punctuation">{</span>
<span class="token keyword">proxy_pass</span>   <span class="token keyword">http</span><span class="token punctuation">:</span><span class="token operator">/</span><span class="token operator">/</span>yapi<span class="token punctuation">.</span>xxx<span class="token punctuation">.</span>com<span class="token operator">/</span>mock<span class="token operator">/</span><span class="token number">2817</span><span class="token operator">/</span>baseapi<span class="token punctuation">;</span> <span class="token comment">#baseapi后面没有"/"</span>
<span class="token punctuation">}</span>
</code></pre>
<h4 class="subject" id="2.2_基于_ykit_mock功能">2.2 基于 ykit mock功能 <a class="hashlink" href="#2.2_基于_ykit_mock功能">#</a></h4><pre><code class="lang-javascript"><span class="token punctuation">{</span>
    pattern<span class="token punctuation">:</span> <span class="token regex">/\/api\/(.*)/</span><span class="token punctuation">,</span>
    responder<span class="token punctuation">:</span> <span class="token string">'http://yapi.xxx.com/mock/58/api/$1'</span>
<span class="token punctuation">}</span>
</code></pre>
<p>上面通过正则匹配，将所有接口转到 <a href="http://yapi.xxx.com">http://yapi.xxx.com</a> 上，比如 <code>http://localhost/api/user/status</code> 会成为 <code>http://yapi.xxx.com/mock/58/api/user/status</code></p>
<p>详细使用指南: <a target="_blank" href="https://ykit.ymfe.org/plugins-mock.html#获取远程数据_Map_Remote_">ykit-config-mock</a></p>
<h4 class="subject" id="2.3_基于_ykit_Jerry_代理">2.3 基于 ykit Jerry 代理 <a class="hashlink" href="#2.3_基于_ykit_Jerry_代理">#</a></h4><p>假设您本地服务器访问地址是： <a href="http://xxx.com">http://xxx.com</a></p>
<p><img src="./images/ykit.jpg" /></p>
<p><span id="mock"></span></p>
<h2 class="subject" id="Mock_语法规范">Mock 语法规范 <a class="hashlink" href="#Mock_语法规范">#</a></h2><blockquote>
<p>了解更多Mock详情：<a href="http://mockjs.com/examples.html">Mock.js 官方文档</a></p>
</blockquote>
<p>Mock.js 的语法规范包括两部分：</p>
<p><a href="#DTD">1. 数据模板定义规范（Data Template Definition，DTD）</a></p>
<p><a href="#DPD">2. 数据占位符定义规范（Data Placeholder Definition，DPD）</a></p>
<p><span id = "DTD"></span></p>
<h3 class="subject" id="数据模板定义规范（Data_Template_Definition，DTD）">数据模板定义规范（Data Template Definition，DTD） <a class="hashlink" href="#数据模板定义规范（Data_Template_Definition，DTD）">#</a></h3><p>数据模板中的每个属性由 3 部分构成：属性名、生成规则、属性值：</p>
<pre><code>// 属性名   name （与生成规则之间用 <span class="token string">"|"</span> 隔开）
// 生成规则 rule（生成规则有<span class="token number">7</span>种详见下面的生成规则）
// 属性值   value（可以含有 <span class="token string">"@占位符"</span> 同时也指定了最终值的初始值和类型）

'name|rule'<span class="token operator">:</span> value

生成规则：
'name|min-max'<span class="token operator">:</span> value
'name|count'<span class="token operator">:</span> value
'name|min-max.dmin-dmax'<span class="token operator">:</span> value
'name|min-max.dcount'<span class="token operator">:</span> value
'name|count.dmin-dmax'<span class="token operator">:</span> value
'name|count.dcount'<span class="token operator">:</span> value
'name|+step'<span class="token operator">:</span> value
</code></pre><p>下面提供了6种生成规则以及示例包括 String、Number、Boolean、Object、Array：</p>
<h3 class="subject" id="1._属性值是字符串_String">1. 属性值是字符串 String <a class="hashlink" href="#1._属性值是字符串_String">#</a></h3><pre><code><span class="token number">1</span>. 'name|min-max'<span class="token operator">:</span> string

通过重复 string 生成一个字符串，重复次数大于等于 min，小于等于 max。

<span class="token number">2</span>. 'name|count'<span class="token operator">:</span> string

通过重复 string 生成一个字符串，重复次数等于 count。
</code></pre><h3 class="subject" id="2._属性值是数字_Number">2. 属性值是数字 Number <a class="hashlink" href="#2._属性值是数字_Number">#</a></h3><pre><code><span class="token number">1</span>. 'name|+<span class="token number">1</span>'<span class="token operator">:</span> number

属性值自动加 <span class="token number">1</span>，初始值为 number。

<span class="token number">2</span>. 'name|min-max'<span class="token operator">:</span> number

生成一个大于等于 min、小于等于 max 的整数，属性值 number 只是用来确定类型。

<span class="token number">3</span>. 'name|min-max.dmin-dmax'<span class="token operator">:</span> number

生成一个浮点数，整数部分大于等于 min、小于等于 max，小数部分保留 dmin 到 dmax 位。

例如：
Mock.mock(<span class="token punctuation">{</span>
    'number1|<span class="token number">1</span>-<span class="token number">100.1</span>-<span class="token number">10</span>'<span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
    'number2|<span class="token number">123.1</span>-<span class="token number">10</span>'<span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
    'number3|<span class="token number">123.3</span>'<span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
    'number4|<span class="token number">123.10</span>'<span class="token operator">:</span> <span class="token number">1.123</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
// =>
<span class="token punctuation">{</span>
    <span class="token property">"number1"</span><span class="token operator">:</span> <span class="token number">12.92</span><span class="token punctuation">,</span>
    <span class="token property">"number2"</span><span class="token operator">:</span> <span class="token number">123.51</span><span class="token punctuation">,</span>
    <span class="token property">"number3"</span><span class="token operator">:</span> <span class="token number">123.777</span><span class="token punctuation">,</span>
    <span class="token property">"number4"</span><span class="token operator">:</span> <span class="token number">123.1231091814</span>
<span class="token punctuation">}</span>
</code></pre><h3 class="subject" id="3._属性值是布尔型_Boolean">3. 属性值是布尔型 Boolean <a class="hashlink" href="#3._属性值是布尔型_Boolean">#</a></h3><pre><code><span class="token number">1</span>. 'name|<span class="token number">1</span>'<span class="token operator">:</span> boolean

随机生成一个布尔值，值为 <span class="token boolean">true</span> 的概率是 <span class="token number">1</span>/<span class="token number">2</span>，值为 <span class="token boolean">false</span> 的概率同样是 <span class="token number">1</span>/<span class="token number">2</span>。

<span class="token number">2</span>. 'name|min-max'<span class="token operator">:</span> value

随机生成一个布尔值，值为 value 的概率是 min / (min + max<span class="token punctuation">)</span>，值为 !value 的概率是 max / (min + max<span class="token punctuation">)</span>。
</code></pre><h3 class="subject" id="4._属性值是对象_Object">4. 属性值是对象 Object <a class="hashlink" href="#4._属性值是对象_Object">#</a></h3><pre><code><span class="token number">1</span>. 'name|count'<span class="token operator">:</span> object

从属性值 object 中随机选取 count 个属性。

<span class="token number">2</span>. 'name|min-max'<span class="token operator">:</span> object

从属性值 object 中随机选取 min 到 max 个属性。
</code></pre><h3 class="subject" id="5._属性值是数组_Array">5. 属性值是数组 Array <a class="hashlink" href="#5._属性值是数组_Array">#</a></h3><pre><code><span class="token number">1</span>. 'name|<span class="token number">1</span>'<span class="token operator">:</span> array

从属性值 array 中随机选取 <span class="token number">1</span> 个元素，作为最终值。

<span class="token number">2</span>. 'name|+<span class="token number">1</span>'<span class="token operator">:</span> array

从属性值 array 中顺序选取 <span class="token number">1</span> 个元素，作为最终值。

<span class="token number">3</span>. 'name|min-max'<span class="token operator">:</span> array

通过重复属性值 array 生成一个新数组，重复次数大于等于 min，小于等于 max。

<span class="token number">4</span>. 'name|count'<span class="token operator">:</span> array

通过重复属性值 array 生成一个新数组，重复次数为 count。
</code></pre><p><span id = "DPD"></span></p>
<h3 class="subject" id="数据占位符定义规范（Data_Placeholder_Definition，DPD）">数据占位符定义规范（Data Placeholder Definition，DPD） <a class="hashlink" href="#数据占位符定义规范（Data_Placeholder_Definition，DPD）">#</a></h3><pre><code>占位符 只是在属性值字符串中占个位置，并不出现在最终的属性值中。

占位符 的格式为：

@占位符

说明：
<span class="token number">1</span>. 用 @ 来标识其后的字符串是 占位符，在YApi提供的Mock输入框在输入“@”后会自动提示占位符。

例如：
name<span class="token operator">:</span> <span class="token punctuation">{</span>
    first<span class="token operator">:</span> '@FIRST'<span class="token punctuation">,</span>
    middle<span class="token operator">:</span> '@FIRST'<span class="token punctuation">,</span>
    last<span class="token operator">:</span> '@LAST'<span class="token punctuation">,</span>
    full<span class="token operator">:</span> '@first @middle @last'
<span class="token punctuation">}</span>
// 上面的示例可以得到如下结果：
<span class="token property">"name"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
    <span class="token property">"first"</span><span class="token operator">:</span> <span class="token string">"Charles"</span><span class="token punctuation">,</span>
    <span class="token property">"middle"</span><span class="token operator">:</span> <span class="token string">"Brenda"</span><span class="token punctuation">,</span>
    <span class="token property">"last"</span><span class="token operator">:</span> <span class="token string">"Lopez"</span><span class="token punctuation">,</span>
    <span class="token property">"full"</span><span class="token operator">:</span> <span class="token string">"Charles Brenda Lopez"</span>
<span class="token punctuation">}</span>
</code></pre>
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